XML 95 R67.htm IDEA: XBRL DOCUMENT
v3.20.4

Credit Facilities, Long-Term Debt and Lease Liabilities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Subclassifications of assets, liabilities and equities [abstract] |
Disclosure of borrowings outstanding | The amounts outstanding are as follows:
As at Dec. 31 | 2020 | 2019
| Carrying value | Face value | Interest(1) | Carrying value | Face value | Interest(1)
Credit facilities(2) | 114 |  | 114 |  | 2.7 | % | 220 |  | 220 |  | 3.5 | %
Debentures | 249 |  | 251 |  | 7.1 | % | 647 |  | 651 |  | 5.8 | %
Senior notes(3) | 886 |  | 894 |  | 5.4 | % | 905 |  | 914 |  | 5.4 | %
Non-recourse(4) | 1,837 |  | 1,858 |  | 4.1 | % | 1,144 |  | 1,157 |  | 4.3 | %
Other(5) | 141 |  | 147 |  | 7.1 | % | 154 |  | 162 |  | 7.1 | %
| 3,227 |  | 3,264 |  |  | 3,070 |  | 3,104 |  |
Lease liabilities | 134 |  |  |  | 142 |  |  |
| 3,361 |  |  |  | 3,212 |  |  |
Less: current portion of long-term debt | (97) |  |  |  | (494) |  |  |
Less: current portion of lease liabilities | (8) |  |  |  | (19) |  |  |
Total current long-term debt and lease liabilities | (105) |  |  |  | (513) |  |  |
Total credit facilities, long-term debt and lease liabilities | 3,256 |  |  |  | 2,699 |  |  |
(1) Interest is an average rate weighted by principal amounts outstanding before the effect of hedging. (2) Composed of bankers’ acceptances and other commercial borrowings under long-term committed credit facilities. (3) US face value at Dec. 31, 2020 — US$700 million (Dec. 31, 2019 — US$700 million). (4) Includes AU$800 million TEC offering. (5) Includes US$110 million at Dec. 31, 2020 (Dec. 31, 2019 — US$117 million) of tax equity financing. The Corporation's credit facilities are summarized in the table below:
As at Dec. 31, 2020 | Facility size | Utilized | Available capacity | Maturity date
Outstanding letters of credit(1) | Actual drawings
TransAlta Corporation |  |  |  |  |
Committed syndicated bank facility(2) | 1,250 |  | 379 |  | 114 |  | 757 |  | Q2 2023
Canadian committed bilateral credit facilities(3) | 240 |  | 150 |  | — |  | 90 |  | Q2 2021 & 2022
TransAlta Renewables |  |  |  |  |
Committed credit facility(2) | 700 |  | 92 |  | — |  | 608 |  | Q2 2023
Total | 2,190 |  | 621 |  | 114 |  | 1,455 |  |
(1) TransAlta has obligations to issue letters of credit and cash collateral to secure potential liabilities to certain parties, including those related to potential environmental obligations, commodity risk management and hedging activities, pension plan obligations, construction projects and purchase obligations. At Dec. 31, 2020, we provided cash collateral of $49 million. (2) TransAlta has letters of credit of $89 million and TransAlta Renewables has letters of credit of $92 million issued from uncommitted demand facilities; these obligations are backstopped and reduce the available capacity on the committed credit facilities. (3) One of the bilateral $80 million credit facilities has a maturity date of Q2 2021;the remaining two bilateral credit facilities has a maturity date of Q2, 2022.
Disclosure of principal repayments |
| 2021 | 2022 | 2023 | 2024 | 2025 | 2026 and thereafter | Total
Principal repayments(1) | 96 |  | 626 |  | 277 |  | 119 |  | 136 |  | 2,010 |  | 3,264 |
Lease liabilities(2) | (5) |  | 6 |  | 5 |  | 5 |  | 5 |  | 118 |  | 134 |
(1) Excludes impact of hedge accounting and derivatives. (2) Lease liabilities include a lease incentive of $13 million, expected to be received in 2021.

X
- Definition The disclosure of detailed information about borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_7&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure Of Principal Repayments [Table Text Block] + References No definition available. + Details
Name: | tac_DisclosureOfPrincipalRepaymentsTableTextBlock
Namespace Prefix: | tac_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration